SQL-DATABASE ERROR

Database error in (): Link-ID == false, connect failed
mysql error:
mysql error number:
mysql version: unknown
php version: 7.4.33
Date: 22.05.2024 @ 17:36
Script: /wbb2/wortkette.php?sid=680d1d78f69bb3b7704124b7bb32b84f
Referer: http://www.friendsbistro.de/wbb2/wortkette.php?sid=680d1d78f69bb3b7704124b7bb32b84f